diff --git a/src/kits/shared/ColorQuantizer.cpp b/src/kits/shared/ColorQuantizer.cpp
index 1af6d839f9..2781baf5a5 100644
--- a/src/kits/shared/ColorQuantizer.cpp
+++ b/src/kits/shared/ColorQuantizer.cpp
@@ -28,6 +28,7 @@
 
 #include <stddef.h>
 #include <stdlib.h>
+#include <string.h>
 
 
 static inline uint8